I'm trying to make a speed measurement with an optical photointerrupter (I don't know the correct word in english, in german it's called Gabellichtschranke - SHARP GP1A70R - a light-detecting element and signal-processing circuit integrated onto a single chip) on the 80535.

Also I'm trying to make a PWM with the Timer 2 on the 80535 to connect a H-bridge, which drives a dc-motor.

I don't know exactly how to handle it and I need help urgently !

Has anyone done this or similar before ?
Assembley-code ?

I'm looking forward to hear from you very soon !

Thanks in advance.

Helge